Compare 672 vs 681
| Property | 672 | 681 |
|---|---|---|
| Type | composite number | semiprime |
| Unique factors | 3 | 2 |
| Total factors | 7 | 2 |
| Prime factorization | 25 × 31 × 71 | 31 × 2271 |
| Prime factorization | 2 × 2 × 2 × 2 × 2 × 3 × 7 | 3 × 227 |
| Divisors count | 24 | 4 |
| Divisors | 1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 24, 28, 32, 42, 48, 56, 84, 96, 112, 168, 224, 336, 672 | 1, 3, 227, 681 |
| Number of properties | 0 | 1 |
| Semiprimes | 204th | |
| Roman numberals | DCLXXII | DCLXXXI |
| Base 2 | 10101000002 | 10101010012 |
| Base 3 | 2202203 | 2210203 |
| Base 4 | 222004 | 222214 |
| Base 5 | 101425 | 102115 |
| Base 6 | 30406 | 30536 |
| Base 7 | 16507 | 16627 |
| Base 8 | 12408 | 12518 |
| Base 9 | 8269 | 8369 |
| Base 10 | 67210 | 68110 |
| Base 11 | 56111 | 56a11 |
| Base 12 | 48012 | 48912 |
| Base 13 | 3c913 | 40513 |
| Base 14 | 36014 | 36914 |
| Base 15 | 2ec15 | 30615 |
| Base 16 | 2a016 | 2a916 |